Principles of Network and System Administration 2nd phần 10 pps
Principles of Network and System Administration 2nd phần 10 pps
... reading1. The Practice of System Administration, T.LimoncelliandC.Hogan,AddisonWesley, 2002.2. Unix System Administration Handbook, E. Nemeth, G. Synder, S. Seebass and T.R. Hein, Prentice ... Installation Systems Administration III (USENIX Association:Berkeley, CA), page 75, 1989.[293] H.L. Stern and B.L. Wong. Nfs performance and network loading. Pro-ceedings of the Sixth Systems Administration ... 1991.[179] R.W. Kint, C.V. Gale, and A.B. Liwen. Administration of a dynamic hetero-geneous network. Proceedings of the Workshop on Large Installation Systems Administration III (USENIX Association:...
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Principles of Network and System Administration 2nd phần 8 pps
... nature of possible threats to the security of a human–computer system. 444 CHAPTER 11. PRINCIPLES OF SECURITYAuthentication is usually performed at the start of a session between client and system. ... examines filesystems.4As the reviewer of this book put it: ‘They’re done. Stick a fork in them.’446 CHAPTER 11. PRINCIPLES OF SECURITY11.8.2 Denial of service (DoS) attacksAnother type of attack ... server’s disk and causingthe sendmail daemon to spawn rapidly and slow the system to a standstill.Denial of service attacks are almost impossible to protect against. It is theresponsibility of local...
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Principles of Network and System Administration 2nd phần 2 doc
... the system at hand.The aim of this chapter is to learn how to navigate network systems usingstandard tools, and place each piece of the puzzle into the context of the whole.3.1 Communities and ... There aretwo types of Windows system with separate software licenses: workstations and servers.Windowscanworkasastand-alonesystemorasaworkstation,integrated into a system of network services. ... running programs and storing data, thereliability and efficiency of the system are tested. This is where the challenge of system administration lies.The load on computers and on networks is a social...
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Principles of Network and System Administration 2nd phần 3 pptx
... which replace many of the older Unix equivalents,like ls and cp. GNU software has its own system of installation and set of standards. GNU will also eventually become an operating system in its ownright. ... be regarded as one of the unsolved problems of system administration. Part of the problem is that the requirements of eachorganization are rather different. Many Unix-like systems provide shell ... of software within a directory tree: some softwarepackages compile the names of important files into software binaries. Explainwhy the use of a universal naming scheme guarantees that the software...
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Principles of Network and System Administration 2nd phần 4 potx
... competing system toSNMP called COPS-PR [101 ].6.3. NETWORK ADMINISTRATION MODELS 2076.3 Network administration modelsThe management of clusters of systems leads to the concept of logistic networks.Here ... 6Models of network and system administration Understanding human–computer systems requires an ability to see relationshipsbetween seemingly distinct parts of a system. Many failures and security ... build softwaresystems which apply certain principles to the problem of management. Network management has, to some extent, been likened to the process of software develop-ment in the System Administration...
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Principles of Network and System Administration 2nd phần 5 pot
... attempts to keep track of changes in individual systems using a method of revision control. A typicalUnix system might consist of thousands of files comprising software and data.All of the files (except ... users.7 .10 SNMP toolsIn spite of its limitations (see section 6.4.1), SNMP remains the protocol of choicefor the management of most network hardware, and many tools have been writtento query and ... digested,understood and, not least, obeyed by users and system staff alike.• Determine the system policy. This is the prerequisite for all system mainte-nance. Know what is right and wrong and know how...
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Principles of Network and System Administration 2nd phần 6 pot
... upgrade and contingency plan for loss of some of the hosts.EXERCISES 3278. What is meant by the environment of a system? 9. How does one find the boundary between system and environment? 10. What ... 303].More often than not, performance tuning is related to the availability or sharing of system resources. This requires tuning the system kernel. The most configurablepiece of software on the system ... recordsDNS and IPv6 make a study in confusion. The IETF has changed of cial policy onthis issue more than once, leaving some documentation out of date and in a state of confusion. As of January...
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Principles of Network and System Administration 2nd phần 7 doc
... Scientific Principles of Network and System Administration, J. Wiley & Sons, 2004. 10. 4. ALTERNATIVE NETWORK TRANSPORT TECHNOLOGIES 399by N bits, or wavelengths of the bit signal, and the right-hand ... the case of network service), and must choose strategies formaximizing their interests. We can therefore construct a ‘payoff’ matrix for each of the two users (see tables 10. 1, 10. 2 and 10. 3). ... cannot be separated from network and system administration because security requires a fully systemic approach. However, itis important to identify some principles of security management in...
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Principles of Network and System Administration 2nd phần 9 potx
... ANALYTICAL SYSTEM ADMINISTRATION systems fall into two categories, depending on how we choose our problem toanalyze. These are called open systems and closed systems.• Open system: This is a subsystem ... basis of programmingalgorithms in computer software and the same thing applies to conglomerations of different software systems. The same principle applies to the storage of any kind of information. ... the quality of our resources here.See figures 13.2 and 13.3.Processes• Number of privileged processes: The number of processes running the system provides an indication of the number of forked...
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